предел усталости: 108 phrases in 21 subjects |
Artillery | 1 |
Automobiles | 1 |
Aviation | 2 |
Chemistry | 5 |
Construction | 22 |
Electrochemistry | 1 |
General | 1 |
Hydrology | 1 |
Machine components | 9 |
Mechanic engineering | 1 |
Metallurgy | 17 |
Metalworking | 3 |
Missiles | 1 |
Plastics | 4 |
Polymers | 7 |
Road works | 10 |
Shipbuilding | 2 |
Silicate industry | 1 |
Technology | 14 |
Textile industry | 1 |
Welding | 4 |